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The Extension Worker-- Yesterday, Today, Tomorrow
University of Wyoming. Agricultural Extension Service. Conference
其他書名
42nd Annual Conference, Agricultural Extension Service, University of Wyoming, Laramie, December 5-9, 1955 : [program].
出版Agricultural Extension Service, University of Wyoming, 1955
URLhttp://books.google.com.hk/books?id=t8ZfHAAACAAJ&hl=&source=gbs_api